Responses
I think they did it in a sort of way to make it all mysterious. So it's like he could have moved into another area and died there cause he didn't want people to find his body or that he survived but wish to remain forever like a mystery and etc.
OMFFFGGF NOOOOOOOO WHAT HAPPENED TO DOC OMFFGGGG PLLLEAASSE I DON'T WANT TO BELIEVE HE'S DEAD WHY'D IT HAVE TO END THIS WAY